Apparatus for electrodermal activity measurement with current compensation
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United States of America Patent
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Sep 26, 2023
Grant Date -
Oct 8, 2020
app pub date -
Oct 30, 2019
filing date -
Mar 16, 2013
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Abstract
An apparatus for measuring electrodermal activity can include a first electrode in contact with a first portion and a second electrode in contact with a second portion of a stratum corneum, and in electronic communication with the second electrode through the stratum corneum. A processing module is electrically coupled to the first electrode and the second electrode and is operable to (a) bias the first electrode at a first voltage V+ and the second electrode at a second voltage V− (b) measure a current flowing between the first electrode and the second electrode, the current corresponding to the conductance of the stratum corneum, (c) subtract a compensation current from the measured current (d) measure a resulting current producing an amplified output voltage (e) measure a conductance of the stratum corneum, and (f) adjust at least one of the first voltage, the second voltage and the compensation current to desaturate the output voltage.
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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
EMPATICA SRL | 20144 MILANO (MI) |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Cenci, Ivan | Verucchio, IT | 11 | 36 |
Garbarino, Maurizio | Turin, IT | 7 | 25 |
Lai, Matteo | San Sperate, IT | 10 | 40 |
Resnati, Daniele | Carate Brianza, IT | 8 | 33 |
Tognetti, Simone | Vimodrone, IT | 12 | 36 |
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